fix 提交已经问题处理

Src/Dlhis.ScheduledTask/Packs/JinkoSapHttpClientPack.cs

@@ -13,7 +13,7 @@ public class JinkoSapHttpClientPack : BaseAppPack
         {
             httpClient.Timeout = TimeSpan.FromMinutes(10);
 
-            var credentials = string.Format("{0}:{1}", "EHS_USER", "y3R1hd2h*RICAC");
+            var credentials = $"{"EHS_USER"}:{"y3R1hd2h*RICAC"}";
             var headerValue = Convert.ToBase64String(Encoding.UTF8.GetBytes(credentials));
             httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", headerValue);
         });